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Vector® TrueVIEW™ Autofluorescence Quenching Kit

Code produit : VEC.SP-8400

€ 242,71

The Vector® TrueVIEW™ Autofluorescence Quenching Kit provides a novel way to diminish unwanted autofluorescence from non-lipofuscin sources and dramatically improve signal-to-noise ratio.

Vector® TrueVIEW™ Autofluorescence Quenching Kit
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Vector® TrueVIEW™ Autofluorescence Quenching Kit

Product Description

Features:

  • Removes unwanted autofluorescence in tissue sections due to aldehyde fixation, red blood cells, and structural elements such as collagen and elastin
  • Improves overall signal-to-noise in most immunofluorescence assays
  • Effective on problematic tissues such as kidney and spleen
  • Easy-to-use, one-step method
  • Compatible with a wide selection of fluorophores
  • Compatible with standard epifluorescence and confocal laser microscopes

Tissue autofluorescence often occurs with aldehyde fixation or from inherent native tissue components (collagen, elastin, and red blood cells). The extent and intensity of autofluorescence background frequently makes it difficult or impossible to distinguish specific signals in immunofluorescence applications.

Most methods for reduction of tissue autofluorescence act primarily on lipofuscin granules, and are not broadly effective against the most common sources of autofluorescence targeted by Vector® TrueVIEW™ Quencher.

The Vector® TrueVIEW™ Autofluorescence Quenching Kit provides a novel way to diminish unwanted autofluorescence from non-lipofuscin sources and dramatically improve signal-to-noise ratio. The quenching action of the kit reagents provides a clear, unambiguous, “true view” localization of the target antigen.

Current methods for reducing autofluorescence primarily include “home brew” concoctions such as sodium borohydride and other ink-based products. These methods are essentially ineffective against aldehyde induced autofluorescence.  In contrast, Vector® TrueVIEW™ reagent binds to hydrophilic compounds and effectively quenches endogenous autofluorescence. 

Kit Contents:

  • Vector® TrueVIEW™ Reagent A, 5 ml
  • Vector® TrueVIEW™ Reagent B, 5 ml
  • Vector® TrueVIEW™ Reagent C, 5 ml
  • VECTASHIELD® HardSet™ Antifade Mounting Medium, 2 ml

One kit is sufficient to treat approximately 100 to 150 tissue sections. 

spleen
Spleen (FFPE), antigen retrieved with Antigen Unmasking Solution, stained using Mouse Anti-CD20 (red) and Rabbit Anti-Ki67 (green), followed by VectaFluor™ Duet Kit, and mounted in VECTASHIELD® HardSet™ Mounting Medium with DAPI.  Left:  No TrueVIEW™ Quencher treatment - note interfereing autofluorescence.  Right:  Treated with TrueVIEW™ Autofluorescence Quencher.
No TrueVIEW™ Quencher => 20x objective, red channel exposed 200ms, green channel 200ms
With TrueVIEW™ Quencher => 20x objective, red channel exposed 200ms, green channel exposed 800ms

 

pancreas
Pancreas (FFPE), antigen retrieved with Antigen Unmasking Solution, stained with Guinea Pig x Insulin (green) and Mouse x END (red), followed by FL-Goat x Guinea Pig IgG + Dylight® 594-Horse x Mouse IgG.  Mounted in VECTASHIELD® HardSet™ Mounting Medium with DAPI.
No TrueVIEW™ Quencher => 20x objective, red channel exposed 600ms, green channel 600ms
With TrueVIEW™ Quencher => 20x objective, red channel exposed 600ms, green channel exposed 600ms

 

Easy To Apply

Following completion of the IF staining procedure:
Easy to apply

 

Mode of Action

Following completion of the IF staining procedure:
mode to apply

 

 Signal to Noise Optimization

The primary antibody and detection reagents should be optimized ( titered) in conjunction with Vector® TrueVIEW™ Quenching Kit to achieve maximum signal to noise. 
primary optimization

 

Optimization of Exposure

Increasing exposure times may be necessary to achieve optimal image acquisition for TrueVIEW™ Quencher treated slides.
exposure optimization

 

 

Comparison between Vector® TrueVIEW™ reagent and other autofluorescence reducing agents

We compared the effectiveness of Vector® TrueVIEW™ quenching action in parallel with other commercially available autofluorescence reducing products and "home brew" reagents, on serial sections of formalin- fixed, paraffin-embedded human pancreas visualized using a standard fluorescein (green) filter. No specific immunofluorescence staining was conducted. The images below highlight our results. All images were acquired under identical conditions (including microscope objective and exposure times). 
competitors
time course

 

 Customer Testimonials
testimonials

Vector® TrueVIEW™ Autofluorescence Quenching Kit

Spécifications du produit

Packaging Unit

15 ml

Brand

Vector Laboratories

Category

Protein blocking

Vector® TrueVIEW™ Autofluorescence Quenching Kit

Documents de produit